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Hybridisation of the central atom in PCl₅ is:

Asp³d
Bsp³d²
Cdsp²
Dsp³
Answer & Solution
Correct answer: A. sp³d
PCl₅ is trigonal bipyramidal — 5 σ bonds, no lone pair. One s + three p + one d → **sp³d** hybrids, directed to the corners of a trigonal bipyramid.
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